Average annual temperature is 25.5 °C
Absolute maximum temperature: 30.8 °C
Absolute minimum temperature: 21.9 °C
Number of sunny days: 10 days
Number of rainy days: 355 days
Look at detailed online map of Koa
* Weather data for Koa Solomon Islands is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.7 | 30.6 | 30.5 | 30.2 | 30.8 | 30.5 | 29.8 | 29.7 | 30.5 | 30.7 | 30.0 | 30.1 |
| Average daytime temperature (°C) | 28.5 | 28.3 | 28.0 | 28.7 | 28.6 | 28.6 | 27.7 | 27.8 | 28.8 | 28.7 | 28.5 | 28.7 |
| Average temperature (°C) | 25.5 | 25.7 | 25.2 | 25.7 | 25.8 | 25.8 | 25.0 | 24.9 | 25.7 | 25.5 | 25.5 | 25.7 |
| Average night temperature (°C) | 23.6 | 23.8 | 23.4 | 23.7 | 24.1 | 24.1 | 23.6 | 23.2 | 23.9 | 23.6 | 23.6 | 23.6 |
| Absolute minimum temperature (°C) | 22.6 | 22.7 | 22.2 | 22.4 | 22.9 | 22.8 | 22.2 | 21.9 | 22.1 | 22.6 | 22.9 | 22.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.6 | 12.4 | 12.1 | 11.9 | 11.7 | 11.6 | 11.7 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.3 | 8.9 | 7.8 | 10.0 | 9.6 | 9.4 | 7.1 | 7.4 | 8.3 | 8.8 | 8.2 | 9.2 |
| Precipitation (mm) | 311 | 303 | 643 | 268 | 211 | 176 | 329 | 384 | 139 | 245 | 344 | 308 |
| Sunny days | 0 | 0 | 0 | 2 | 1 | 2 | 1 | 0 | 2 | 0 | 0 | 2 |
| Rainy days | 31 | 28 | 31 | 28 | 30 | 28 | 30 | 31 | 28 | 31 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koa is at